n.瘤；赘生物
Cystic nephroma is a rare renal neoplasm which is usually benign histologically. 摘要囊肿性肾细胞瘤是一种少见的肾脏肿瘤，且在组织学上通常呈现良性。
The neoplasm with the greatest propensity to metastasize to heart is melanoma. 最易转移到心脏的肿瘤是黑色素瘤。
Pheochromocytoma is a neoplasm of neural crest origin arising in the adrenal medulla. 嗜铬细胞瘤是发起于肾上腺髓质神经嵴起源点的一种赘生物。
